Image processing
4.2 Code verification
SIMATIC MV420 / SIMATIC MV440
74 Operating Instructions, 04/2013, A5E02371045-06
Field name (TAG) Value
Stop quiet zone (q30) 10 values: 0.00 ... 10.00
Nominal module size (q10) 0 to 99.9 mil
Aspect ratio 1 (q31) 1.00 ... 5.00
Aspect ratio 2 (q32) 1.00 ... 5.00
Aspect ratio 3 (q33) 1.00 ... 5.00
Height (q15) 0 to 9.99 inches
Width (q16) 0 to 9.99 inches
Angle (q17) 0 ... 360°
4.2.8.8 Standard report for OCR and OCV
The standard report uses OCR grades when the function of OCR steps is being used.
Field name (TAG) Value
Verification type (Qt) 7
Poorest character quality (q40) 0 ... 255
Minimum character height (q42) 0 ... 255
Maximum character height (q43) 0 ... 255
Greatest confusion risk (q44) 0 ... 255
Average character quality (q45) 0 ... 255
Average confusion risk (q46) 0 ... 255
Combination of decoder and OCR steps
If you use decoder as well as OCR steps in a program:
● The report belonging to the selected verification standard or (if "uncalibrated") the
standard report belonging to the code type read is used.
● The OCR qualities can also be output via the relevant tags.
See also
Optical character recognition with "Text-Genius" and "Text-Genius Plus" (SIMATIC MV440
only) (Page 75)
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